Just to play devil's advocate, if you put a normal Walmart employee in a CEO position, or maybe just an "executive" position with decision-making authority, how

Just to play devil's advocate, if you put a normal Walmart employee in a CEO position, or maybe just an "executive" position with decision-making authority, how far off would they be in terms of productivity from someone normally in that position? Say the employee was 1/10th as productive as that executive, that would still be thousands of times more productive than that same employee at their regular minimum wage job.